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  • 1975-1979  (5)
  • optimization theorems  (3)
  • Monoamines  (1)
  • Polymer and Materials Science  (1)
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Schlagwörter
  • 1
    Digitale Medien
    Digitale Medien
    Clinical pharmacological studies of tandamine, a potential antidepressive drug (1977)
    Springer
    Psychopharmacology 52 (1977), S. 73-77 
    Details
    ISSN: 1432-2072
    Schlagwort(e): Tandamine ; Tyramine pressor response ; Anticholinergic ; Appetite ; Sedation ; Depression ; Platelet ; Plasma concentration ; Monoamines
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Tandamine hydrochloride, a thiopyranoindole, was more active than desmethylimipramine in inhibiting the tyramine pressor response after single oral doses in human volunteers. When compared with a placebo, tandamine was found to possess significant anticholinergic activity, to reduce appetite and to produce sedation. Compared with clomipramine, it caused a smaller inhibition of 5-HT but a more marked inhibition of dopamine uptake into human platelets. Further clinical and pharmacological studies with tandamine may help to elucidate the respective roles of different monoamines in depression, sedation and appetite.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00426603
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  • 2
    Digitale Medien
    Digitale Medien
    Direct-prediction quasi-Newton methods in Hilbert space with applications to control problems (1977)
    Springer
    Journal of optimization theory and applications 21 (1977), S. 199-211 
    Details
    ISSN: 1573-2878
    Schlagwort(e): Variable-metric methods ; optimization theorems ; Hilbert spaces ; control theory
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Mathematik
    Notizen: Abstract In this paper, the Hilbert-space analogue of a result of Huang, that all the methods in the Huang class generate the same sequence of points when applied to a quadratic functional with exact linear searches, is established. The convergence of a class of direct prediction methods based on some work of Dixon is then proved, and these methods are then applied to some control problems. Their performance is found to be comparable with methods involving exact linear searches.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00932520
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  • 3
    Digitale Medien
    Digitale Medien
    Direct prediction methods in Hilbert space with applications to control problems (1977)
    Springer
    Journal of optimization theory and applications 22 (1977), S. 399-415 
    Details
    ISSN: 1573-2878
    Schlagwort(e): Variable-metric methods ; optimization theorems ; Hilbert spaces ; control theory
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Mathematik
    Notizen: Abstract In this paper, the convergence of variable-metric methods without line searches (direct prediction methods) applied to quadratic functionals on a Hilbert space is established. The methods are then applied to certain control problems with both free endpoints and fixed endpoints. Computational results are reported and compared with earlier results. The methods discussed here are found to compare favorably with earlier methods involving line searches and with other direct prediction quasi-Newton methods.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00932863
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  • 4
    Digitale Medien
    Digitale Medien
    Variable metric methods in Hilbert space with applications to control problems (1976)
    Springer
    Journal of optimization theory and applications 19 (1976), S. 381-400 
    Details
    ISSN: 1573-2878
    Schlagwort(e): Variable metric methods ; optimization theorems ; Hilbert spaces ; control theory
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Mathematik
    Notizen: Abstract This paper is concerned with some of the most powerful methods of minimizing functionals on Hilbert space. It is established that certain classes of these methods are equivalent and their convergence is proved for certain nonquadratic functionals on a Hilbert space. A computational study of these methods applied to a control problem is also included with particular reference to the equivalence of methods mentioned above.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00941483
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  • 5
    Digitale Medien
    Digitale Medien
    A Rapid, Accurate Technique for Determining Densities of High Explosives (1977)
    Weinheim : Wiley-Blackwell
    Propellants, Explosives, Pyrotechnics 2 (1977), S. 81-84 
    Details
    ISSN: 0721-3115
    Schlagwort(e): Chemistry ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: An improved gas comparison pycnometer has been developed, based on precise differential pressure measurements coupled with a sample volume compensator. Using helium gas, volumes of solid and powdered explosives can be measured to a precision approaching one part in lo4. Coupled with a precise mass measurement, these volumes allow densities with an uncertainty of ∼± 0.002 g/ml to be inferred. Measurements performed on various explosives have allowed assessment of the purity and homogeneity of individual samples. It is also possible to infer void percentage or porosity in pressed explosive pellets.
    Zusätzliches Material: 2 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/prep.19770020405
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